Submission #1287587

#	Time	Username	Problem	Language	Result	Execution time	Memory
1287587		repmann	Rice Hub (IOI11_ricehub)	C++20	100 / 100	8 ms	1356 KiB

ricehub

#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll PS[100001];
int besthub(int N, int M, int X[], ll K)
{
  for(int i = 1; i <= N; i++) PS[i] = X[i - 1] + PS[i - 1];
  int l = 2, r = N, s, ret = 1;
  auto OK = [&]()
  {
    for(int i = s - 1; i < N; i++)
    {
      int med = (i - s + 1 + i) >> 1;
      ll temp = (PS[i + 1] - PS[med + 1]) - (PS[med] - PS[i - s + 1]) - !(s & 1) * X[med];
      if(temp <= K) return true;
    }
    return false;
  };
  while(l <= r)
  {
    s = (l + r) >> 1;
    if(OK()) {l = s + 1; ret = s;}
    else r = s - 1;
  }
  return ret;
}
//int main()
//{
//  int n, m;
//  ll k;
//  cin >> n >> m >> k;
//  int x[n];
//  for(int i = 0; i < n; i++) cin >> x[i];
//  cout << besthub(n, m, x, k) << '\n';
//  return 0;
//}

• Subtask 1: 17 / 17
• Subtask 2: 25 / 25
• Subtask 3: 26 / 26
• Subtask 4: 32 / 32